Datasheet

BIOS Setup Program

Table 60. Chipset Configuration Submenu (continued)

Feature Options Description

SDRAM Timing Control • Auto (default)

• Manual – Aggressive

• Manual – User Defined

Auto = Timings will be programmed according to the

memory detected.

Manual – Aggressive = Selects most aggressive

user-defined timings.

Manual – User Defined = Allows manual override of

detected SDRAM settings.

SDRAM RAS# Active to

Precharge

• 7

• 6

• 5 (default)

Corresponds to tRAS.

SDRAM CAS# Latency • 2.0 (default)

• 2.5

Selects the number of clock cycles required to

address a column in memory.

SDRAM RAS# to CAS#

Delay

• 3

• 2 (default)

Selects the number of clock cycles between

addressing a row and addressing a column.

SDRAM RAS#

Precharge

• 3

• 2 (default)

Selects the length of time required before accessing

a new row.